As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: CABIN FUMES MUSTY/DIRTY SOCKS SMELL ON FINAL APPROACH. MAINTENANCE FOUND THE APU SOAKED WITH OIL. **SUPPLEMENTAL REPORT FOR AALA202202144730: .MAINTENANCE ISOLATED THE SOURCE OF THE OIL LEAKING TO BE THE APU STARTER. REPLACED STARTER AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK PER AMM 49-42-51.** (CLOSED)